Category: Summaries
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Discussing “Z3: An Efficient SMT Solver”
The algorithm I use to supply reading for my blog (cited papers in recent articles as recommended to me by Google Scholar) sometimes sends me giant tomes, but this week I have the other extreme, at a mere four pages. This length, typical for tool demonstration papers at the conference TACAS, has not stopped this…
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Discussing “BI as an Assertion Language for Mutable Data Structures”
I’ve written about separation logic and bunched implications for the blog before. This was the paper that brought these topics together. It constitutes a very important middle step in the early development of separation logic between Reynolds’s 2000 “Intuitionistic Reasoning about Shared Mutable Data Structures” and his 2002 “Separation Logic: A Logic for Shared Mutable…
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Discussing “Sheaves in Geometry and Logic”
This is the second tome on topos theory I’ve read for this blog, but compared to The Elephant this one weighs in at a svelte 627 pages, and is a bit more approachable as a book to learn from, as opposed to an encyclopaedic reference. The conceit of The Elephant was that topoi can be…
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Discussing “Extended Curry-Howard Correspondence for a Basic Constructive Modal Logic”
This is one of the classic papers – I’ve read, and cited, it a few times over the years myself – looking at extending the classic ‘Curry-Howard’ correspondence between lambda calculus and intuitionistic logic, to intuitionistic modal logic.
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Discussing “Basic Proof Theory”
The theory of logical proofs is divided, in this well-known textbook, into two strands: structural and interpretational.
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Discussing “Proof Analysis in Modal Logic”
Modal logics of necessity and possibility do not always obviously admit an acceptable notion of structural proof theory. Yet such systems can be invaluable for both work inside the logic (proof search) and work about a logic (metatheory). This paper looks at a general framework for defining sequent calculi for a wide range of classical…
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Discussing “An algebraic and Kripke-style approach to a certain extension of intuitionistic logic”
Heyting-Brouwer logic (more commonly known now as bi-intuitionistic logic) has fascinated me since I first learned of it. The idea is beguilingly simple: extend intuitionistic logic with a new connective that makes it completely symmetrical. The ‘symmetry’ I am thinking of (perhaps better called ‘duality’, but not quite the same thing as De Morgan duality)…
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Discussing “A very modal model of a modern, major, general type system”
This paper is an influential landmark in the development of what is now usually called guarded recursion, following a trail that roughly goes from Nakano’s introduction of the approximation modality, to this paper, to a Dreyer, Ahmed, and Birkedal paper that I haven’t yet read for this blog but will probably eventually get to, to…
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Discussing “First Steps in Synthetic Tait Computability: The Objective Metatheory of Cubical Type Theory”
I’ve been meaning to get more familiar with this dissertation for a while (reading it thoroughly would take longer than the week I try to take for my blog posts), after its ideas were used in a paper I discussed last year. This thesis presents a new technique, synthetic Tait computability, for proving the ‘syntactic’…
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Recent Posts
- Discussing “Z3: An Efficient SMT Solver”
- Discussing “BI as an Assertion Language for Mutable Data Structures”
- Discussing “Sheaves in Geometry and Logic”
- Discussing “Extended Curry-Howard Correspondence for a Basic Constructive Modal Logic”
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